Struktur atom dari Barium dan protactinium
Konfigurasi elektron
[Xe] 6s2
[Rn] 5f2 6d1 7s2
Struktur kristal
Tubuh Centered Cubic (BCC)
Tetragonal (TETR)
kristal Lattice
BCC-Crystal-Structure-.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
kisi Angles
π/2, π/2, π/2
π/2, π/2, π/2